NYC-WTC_000126678
PROJECT:
CLIENT:
LOCATION:
TECHNICIAN:
FIELD ID #
LABORATORY
AMBIENT GROUP, INC,
55 WEST 39TH STREET
NEW YORK, NY 10018
DUST CHARACTERIZATION LABORATORY DATA REPORT
211334 COLLECTED: 9/23/01
Zar Realty DATE REC'D: 9/23/01
100 Church Street TIME REC'D: 10:00 PM
Bryan Brown ANALYZED: 9/23/01
SAMPLE PERCENT OF
ID# DESCRIPTION CONSTITUENTS SAMPLE **
9.N-02
DB2113
9-N-03
DB2114
ND = None Detected,
Sth Floor NW Corner Desk Opposite Room 910 CELLULOSE 10.0%
FIBER GLASS 40.0%
CEMENT DUST 30.0%
GRAVEL ROAD DUST 10.0%
CARBON PARTICLES 10.0%
TOTAL 100.0%
9th Floor North Window, 7 Col. W From NE Corner CELLULOSE 20.0%
FIBER GLASS 50.0%
CEMENT DUST 20.0%
CARBON PARTICLES 10.0%
TOTAL 100.0%
Signed for Ambient Group Inc. by,
Lae
TAREK FATA
, NA = Not Analyzed, There are two (2) types of dust sample submitted for analysis: Settled = Samples submitted on tape/buik, Airbome = Samples submitted
in Air-O-Cell C;
of Ambient Group
All sits disclosed in this report relate only to the items tested. No reproduction of all or any portion of this report shall occur without written approval
inc. Unless otherwise directed by the Client, Ambient Group inc. will retain the samples listed in this report for five (5) days, after which time they may be disposed
of in accordance with applicable regulations.
NYC 9/11 Public Portal Document
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000126678Source: NYC Law Department, mirrored locally
Laboratory report characterizing settled dust composition at 75 Park Place collected on November 8, 2001, identifying constituents like cellulose and cement dust.